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-rw-r--r--arch/blackfin/Kconfig2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 785d8b4fa0cb..b87634e75f20 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -685,6 +685,8 @@ choice
prompt "Uncached SDRAM region"
default DMA_UNCACHED_1M
depends on BFIN_DMA_5XX
+config DMA_UNCACHED_4M
+ bool "Enable 4M DMA region"
config DMA_UNCACHED_2M
bool "Enable 2M DMA region"
config DMA_UNCACHED_1M